Galvatron (Shattered Glass)

In a universe were the heroic Decepticons fight the evil Autobots, Megatron lead the Decepticon evacuation of Cybertron. Eventually Megatron was killed by Cyclonus who was a loyal follower of the evil prime Alpha Trion. Stirred by his death the extradimensional Nexus Prime revived Megatron as Galvatron. Galvatron was reborn with a helicopter alt mode and a desire to stop the dark god Primus. With the help of Optimus Prime, now a Knight of Unicron called Nova Prime, Galvatron vanquished Primus and created a new Cybertron. Now Galvatron has been called back in time by the Thirteen to vanquish the threat of the Ender Dragon